Tag: trace fossils
Dodging the Main Issue in the Cambrian Explosion
In three papers, scientists babble about irrelevant details but ignore the main question: the origin of new genetic information for new body plans and organs.
Fossil Friday: An Ediacaran Animal with a Question Mark
To claim that such undefinable blobs in sandstone represent fossils of the oldest motile animals is massively overselling the evidence to say the least.
Fossil Friday: Dickinsonia, the Ediacaran Animal that Wasn’t
Gregory Retallack is a kind of maverick paleontologist, who endorses a fringe hypothesis that Ediacaran organisms were not marine but terrestrial lichens.
Fact Check: Hawaiian Silverswords Fail the Species Pair Challenge
Even though the differences appear superficially striking, they do not involve any novel body plans (i.e., no new proteins, new tissues, or new organs).
Kimberella — The Oldest Radula (Not)
There is a strange fact that shows that any interpretation of these trace fossils has to be taken with a grain of salt.